This audio transmitter is the perfect solution to extend the entertainment system in the aircraft with Bluetooth. Easily connect it to your aircraft seat or to the 3.5mm port on the onboard TV. Quickly connect to your Bluetooth headphones, earplugs or AirPods and enjoy your in-flight entertainment wirelessly. The built-in battery has a runtime of up to 10 hours and is therefore also ideal for longer flights.Bluetooth version 5.1 Range: up to 7 m Perfect for extending the entertainment system in the aircraft with Bluetooth Wireless in-flight entertainment Features an additional AUX output that allows you to easily share music with your partner via a wired headset 1x 3.5mm stereo male, 1x retractable 3.5mm mono plug, 1x AUX output Charging port: USB-C Rechargeable battery, battery capacity: 200 mAh Playback time: up to 10 hours Charging time: about 2.5 hours Weight: 0.014 kg Height: 1.31 cm Width: 3.95 cm Length: 6.15 cm